Resguardo inicial

linux-7.2.3/drivers/clk/spacemit/Kconfig

@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+menu "Clock support for SpacemiT platforms"
+	depends on ARCH_SPACEMIT || COMPILE_TEST
+
+config SPACEMIT_CCU
+	tristate
+	select AUXILIARY_BUS
+	select MFD_SYSCON
+
+config SPACEMIT_K1_CCU
+	tristate "Support for SpacemiT K1 SoC"
+	select SPACEMIT_CCU
+	help
+	  Support for clock controller unit in SpacemiT K1 SoC.
+
+config SPACEMIT_K3_CCU
+	tristate "Support for SpacemiT K3 SoC"
+	select SPACEMIT_CCU
+	help
+	  Support for clock controller unit in SpacemiT K3 SoC.
+
+endmenu

linux-7.2.3/drivers/clk/spacemit/Makefile

@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_SPACEMIT_CCU)	+= spacemit-ccu.o
+spacemit-ccu-y			+= ccu_common.o
+spacemit-ccu-y			+= ccu_pll.o
+spacemit-ccu-y			+= ccu_mix.o
+spacemit-ccu-y			+= ccu_ddn.o
+
+obj-$(CONFIG_SPACEMIT_K1_CCU)	+= spacemit-ccu-k1.o
+spacemit-ccu-k1-y		+= ccu-k1.o
+
+obj-$(CONFIG_SPACEMIT_K3_CCU)	+= spacemit-ccu-k3.o
+spacemit-ccu-k3-y		+= ccu-k3.o

linux-7.2.3/drivers/clk/spacemit/ccu_common.c

@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/clk-provider.h>
+#include <linux/device/devres.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/slab.h>
+#include <soc/spacemit/ccu.h>
+
+#include "ccu_common.h"
+
+static DEFINE_IDA(auxiliary_ids);
+static int spacemit_ccu_register(struct device *dev,
+				 struct regmap *regmap,
+				 struct regmap *lock_regmap,
+				 const struct spacemit_ccu_data *data)
+{
+	struct clk_hw_onecell_data *clk_data;
+	int i, ret;
+
+	/* Nothing to do if the CCU does not implement any clocks */
+	if (!data->hws)
+		return 0;
+
+	clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, data->num),
+				GFP_KERNEL);
+	if (!clk_data)
+		return -ENOMEM;
+
+	clk_data->num = data->num;
+
+	for (i = 0; i < data->num; i++) {
+		struct clk_hw *hw = data->hws[i];
+		struct ccu_common *common;
+		const char *name;
+
+		if (!hw) {
+			clk_data->hws[i] = ERR_PTR(-ENOENT);
+			continue;
+		}
+
+		name = hw->init->name;
+
+		common = hw_to_ccu_common(hw);
+		common->regmap		= regmap;
+		common->lock_regmap	= lock_regmap;
+
+		ret = devm_clk_hw_register(dev, hw);
+		if (ret) {
+			dev_err(dev, "Cannot register clock %d - %s\n",
+				i, name);
+			return ret;
+		}
+
+		clk_data->hws[i] = hw;
+	}
+
+	ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_data);
+	if (ret)
+		dev_err(dev, "failed to add clock hardware provider (%d)\n", ret);
+
+	return ret;
+}
+
+static void spacemit_cadev_release(struct device *dev)
+{
+	struct auxiliary_device *adev = to_auxiliary_dev(dev);
+
+	ida_free(&auxiliary_ids, adev->id);
+	kfree(to_spacemit_ccu_adev(adev));
+}
+
+static void spacemit_adev_unregister(void *data)
+{
+	struct auxiliary_device *adev = data;
+
+	auxiliary_device_delete(adev);
+	auxiliary_device_uninit(adev);
+}
+
+static int spacemit_ccu_reset_register(struct device *dev,
+				       struct regmap *regmap,
+				       const char *reset_name)
+{
+	struct spacemit_ccu_adev *cadev;
+	struct auxiliary_device *adev;
+	int ret;
+
+	/* Nothing to do if the CCU does not implement a reset controller */
+	if (!reset_name)
+		return 0;
+
+	cadev = kzalloc_obj(*cadev);
+	if (!cadev)
+		return -ENOMEM;
+
+	cadev->regmap = regmap;
+
+	adev = &cadev->adev;
+	adev->name = reset_name;
+	adev->dev.parent = dev;
+	adev->dev.release = spacemit_cadev_release;
+	adev->dev.of_node = dev->of_node;
+	ret = ida_alloc(&auxiliary_ids, GFP_KERNEL);
+	if (ret < 0)
+		goto err_free_cadev;
+	adev->id = ret;
+
+	ret = auxiliary_device_init(adev);
+	if (ret)
+		goto err_free_aux_id;
+
+	ret = auxiliary_device_add(adev);
+	if (ret) {
+		auxiliary_device_uninit(adev);
+		return ret;
+	}
+
+	return devm_add_action_or_reset(dev, spacemit_adev_unregister, adev);
+
+err_free_aux_id:
+	ida_free(&auxiliary_ids, adev->id);
+err_free_cadev:
+	kfree(cadev);
+
+	return ret;
+}
+
+int spacemit_ccu_probe(struct platform_device *pdev, const char *compat)
+{
+	struct regmap *base_regmap, *lock_regmap = NULL;
+	const struct spacemit_ccu_data *data;
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	base_regmap = device_node_to_regmap(dev->of_node);
+	if (IS_ERR(base_regmap))
+		return dev_err_probe(dev, PTR_ERR(base_regmap),
+				     "failed to get regmap\n");
+
+	/*
+	 * The lock status of PLLs locate in MPMU region, while PLLs themselves
+	 * are in APBS region. Reference to MPMU syscon is required to check PLL
+	 * status.
+	 */
+	if (compat && of_device_is_compatible(dev->of_node, compat)) {
+		struct device_node *mpmu = of_parse_phandle(dev->of_node,
+							    "spacemit,mpmu", 0);
+		if (!mpmu)
+			return dev_err_probe(dev, -ENODEV,
+					     "Cannot parse MPMU region\n");
+
+		lock_regmap = device_node_to_regmap(mpmu);
+		of_node_put(mpmu);
+
+		if (IS_ERR(lock_regmap))
+			return dev_err_probe(dev, PTR_ERR(lock_regmap),
+					     "failed to get lock regmap\n");
+	}
+
+	data = of_device_get_match_data(dev);
+
+	ret = spacemit_ccu_register(dev, base_regmap, lock_regmap, data);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to register clocks\n");
+
+	ret = spacemit_ccu_reset_register(dev, base_regmap, data->reset_name);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to register resets\n");
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_probe, "CLK_SPACEMIT");
+
+MODULE_DESCRIPTION("SpacemiT CCU common clock driver");
+MODULE_LICENSE("GPL");

linux-7.2.3/drivers/clk/spacemit/ccu_common.h

@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2024 SpacemiT Technology Co. Ltd
+ * Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
+ */
+
+#ifndef _CCU_COMMON_H_
+#define _CCU_COMMON_H_
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+struct ccu_common {
+	struct regmap *regmap;
+	struct regmap *lock_regmap;
+
+	union {
+		/* For DDN and MIX */
+		struct {
+			u32 reg_ctrl;
+			u32 reg_fc;
+			u32 mask_fc;
+		};
+
+		/* For PLL */
+		struct {
+			u32 reg_swcr1;
+			u32 reg_swcr2;
+			u32 reg_swcr3;
+		};
+	};
+
+	struct clk_hw hw;
+};
+
+static inline struct ccu_common *hw_to_ccu_common(struct clk_hw *hw)
+{
+	return container_of(hw, struct ccu_common, hw);
+}
+
+struct spacemit_ccu_data {
+	const char *reset_name;
+	struct clk_hw **hws;
+	size_t num;
+};
+
+#define ccu_read(c, reg)						\
+	({								\
+		u32 tmp;						\
+		regmap_read((c)->regmap, (c)->reg_##reg, &tmp);		\
+		tmp;							\
+	 })
+#define ccu_update(c, reg, mask, val) \
+	regmap_update_bits((c)->regmap, (c)->reg_##reg, mask, val)
+
+int spacemit_ccu_probe(struct platform_device *pdev, const char *compat);
+
+#endif /* _CCU_COMMON_H_ */

linux-7.2.3/drivers/clk/spacemit/ccu_ddn.c

@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2024 SpacemiT Technology Co. Ltd
+ * Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
+ *
+ * DDN stands for "Divider Denominator Numerator", it's M/N clock with a
+ * constant x2 factor. This clock hardware follows the equation below,
+ *
+ *	      numerator       Fin
+ *	2 * ------------- = -------
+ *	     denominator      Fout
+ *
+ * Thus, Fout could be calculated with,
+ *
+ *		Fin	denominator
+ *	Fout = ----- * -------------
+ *		 2	 numerator
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/rational.h>
+
+#include "ccu_ddn.h"
+
+static unsigned long ccu_ddn_calc_rate(unsigned long prate, unsigned long num,
+				       unsigned long den, unsigned int pre_div)
+{
+	return prate * den / pre_div / num;
+}
+
+static unsigned long ccu_ddn_calc_best_rate(struct ccu_ddn *ddn,
+					    unsigned long rate, unsigned long prate,
+					    unsigned long *num, unsigned long *den)
+{
+	rational_best_approximation(rate, prate / ddn->pre_div,
+				    ddn->den_mask >> ddn->den_shift,
+				    ddn->num_mask >> ddn->num_shift,
+				    den, num);
+	return ccu_ddn_calc_rate(prate, *num, *den, ddn->pre_div);
+}
+
+static int ccu_ddn_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
+{
+	struct ccu_ddn *ddn = hw_to_ccu_ddn(hw);
+	unsigned long num, den;
+
+	req->rate = ccu_ddn_calc_best_rate(ddn, req->rate,
+					   req->best_parent_rate, &num, &den);
+
+	return 0;
+}
+
+static unsigned long ccu_ddn_recalc_rate(struct clk_hw *hw, unsigned long prate)
+{
+	struct ccu_ddn *ddn = hw_to_ccu_ddn(hw);
+	unsigned int val, num, den;
+
+	val = ccu_read(&ddn->common, ctrl);
+
+	num = (val & ddn->num_mask) >> ddn->num_shift;
+	den = (val & ddn->den_mask) >> ddn->den_shift;
+
+	return ccu_ddn_calc_rate(prate, num, den, ddn->pre_div);
+}
+
+static int ccu_ddn_set_rate(struct clk_hw *hw, unsigned long rate,
+			    unsigned long prate)
+{
+	struct ccu_ddn *ddn = hw_to_ccu_ddn(hw);
+	unsigned long num, den;
+
+	ccu_ddn_calc_best_rate(ddn, rate, prate, &num, &den);
+
+	ccu_update(&ddn->common, ctrl,
+		   ddn->num_mask | ddn->den_mask,
+		   (num << ddn->num_shift) | (den << ddn->den_shift));
+
+	return 0;
+}
+
+const struct clk_ops spacemit_ccu_ddn_ops = {
+	.recalc_rate	= ccu_ddn_recalc_rate,
+	.determine_rate = ccu_ddn_determine_rate,
+	.set_rate	= ccu_ddn_set_rate,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_ddn_ops, "CLK_SPACEMIT");

linux-7.2.3/drivers/clk/spacemit/ccu_ddn.h

@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2024 SpacemiT Technology Co. Ltd
+ * Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
+ */
+
+#ifndef _CCU_DDN_H_
+#define _CCU_DDN_H_
+
+#include <linux/bitops.h>
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+struct ccu_ddn {
+	struct ccu_common common;
+	unsigned int num_mask;
+	unsigned int num_shift;
+	unsigned int den_mask;
+	unsigned int den_shift;
+	unsigned int pre_div;
+};
+
+#define CCU_DDN_INIT(_name, _parent, _flags) \
+	CLK_HW_INIT_HW(#_name, &_parent.common.hw, &spacemit_ccu_ddn_ops, _flags)
+
+#define CCU_DDN_DEFINE(_name, _parent, _reg_ctrl, _num_shift, _num_width,	\
+		       _den_shift, _den_width, _pre_div, _flags)		\
+static struct ccu_ddn _name = {							\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		.hw.init	= CCU_DDN_INIT(_name, _parent, _flags),		\
+	},									\
+	.num_mask	= GENMASK(_num_shift + _num_width - 1, _num_shift),	\
+	.num_shift	= _num_shift,						\
+	.den_mask	= GENMASK(_den_shift + _den_width - 1, _den_shift),	\
+	.den_shift	= _den_shift,						\
+	.pre_div	= _pre_div,						\
+}
+
+static inline struct ccu_ddn *hw_to_ccu_ddn(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+
+	return container_of(common, struct ccu_ddn, common);
+}
+
+extern const struct clk_ops spacemit_ccu_ddn_ops;
+
+#endif

linux-7.2.3/drivers/clk/spacemit/ccu_mix.c

@@ -0,0 +1,283 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2024 SpacemiT Technology Co. Ltd
+ * Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
+ *
+ * MIX clock type is the combination of mux, factor or divider, and gate
+ */
+
+#include <linux/clk-provider.h>
+
+#include "ccu_mix.h"
+
+#define MIX_FC_TIMEOUT_US	10000
+#define MIX_FC_DELAY_US		5
+
+static void ccu_gate_disable(struct clk_hw *hw)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+	struct ccu_gate_config *gate = &mix->gate;
+	u32 val = gate->inverted ? gate->mask : 0;
+
+	ccu_update(&mix->common, ctrl, gate->mask, val);
+}
+
+static int ccu_gate_enable(struct clk_hw *hw)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+	struct ccu_gate_config *gate = &mix->gate;
+	u32 val = gate->inverted ? 0 : gate->mask;
+
+	ccu_update(&mix->common, ctrl, gate->mask, val);
+	return 0;
+}
+
+static int ccu_gate_is_enabled(struct clk_hw *hw)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+	struct ccu_gate_config *gate = &mix->gate;
+	u32 tmp = ccu_read(&mix->common, ctrl) & gate->mask;
+	u32 val = gate->inverted ? 0 : gate->mask;
+
+	return !!(tmp == val);
+}
+
+static unsigned long ccu_factor_recalc_rate(struct clk_hw *hw,
+					    unsigned long parent_rate)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+
+	return parent_rate * mix->factor.mul / mix->factor.div;
+}
+
+static unsigned long ccu_div_recalc_rate(struct clk_hw *hw,
+					 unsigned long parent_rate)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+	struct ccu_div_config *div = &mix->div;
+	unsigned long val;
+
+	val = ccu_read(&mix->common, ctrl) >> div->shift;
+	val &= (1 << div->width) - 1;
+
+	return divider_recalc_rate(hw, parent_rate, val, NULL, 0, div->width);
+}
+
+/*
+ * Some clocks require a "FC" (frequency change) bit to be set after changing
+ * their rates or reparenting. This bit will be automatically cleared by
+ * hardware in MIX_FC_TIMEOUT_US, which indicates the operation is completed.
+ */
+static int ccu_mix_trigger_fc(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+	unsigned int val;
+
+	if (!common->reg_fc)
+		return 0;
+
+	ccu_update(common, fc, common->mask_fc, common->mask_fc);
+
+	return regmap_read_poll_timeout_atomic(common->regmap, common->reg_fc,
+					       val, !(val & common->mask_fc),
+					       MIX_FC_DELAY_US,
+					       MIX_FC_TIMEOUT_US);
+}
+
+static int ccu_factor_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
+{
+	req->rate = ccu_factor_recalc_rate(hw, req->best_parent_rate);
+
+	return 0;
+}
+
+static int ccu_factor_set_rate(struct clk_hw *hw, unsigned long rate,
+			       unsigned long parent_rate)
+{
+	return 0;
+}
+
+static unsigned long
+ccu_mix_calc_best_rate(struct clk_hw *hw, unsigned long rate,
+		       struct clk_hw **best_parent,
+		       unsigned long *best_parent_rate,
+		       u32 *div_val)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+	unsigned int parent_num = clk_hw_get_num_parents(hw);
+	struct ccu_div_config *div = &mix->div;
+	u32 div_max = 1 << div->width;
+	unsigned long best_rate = 0;
+
+	for (int i = 0; i < parent_num; i++) {
+		struct clk_hw *parent = clk_hw_get_parent_by_index(hw, i);
+		unsigned long parent_rate;
+
+		if (!parent)
+			continue;
+
+		parent_rate = clk_hw_get_rate(parent);
+
+		for (int j = 1; j <= div_max; j++) {
+			unsigned long tmp = DIV_ROUND_CLOSEST_ULL(parent_rate, j);
+
+			if (abs(tmp - rate) < abs(best_rate - rate)) {
+				best_rate = tmp;
+
+				if (div_val)
+					*div_val = j - 1;
+
+				if (best_parent) {
+					*best_parent      = parent;
+					*best_parent_rate = parent_rate;
+				}
+			}
+		}
+	}
+
+	return best_rate;
+}
+
+static int ccu_mix_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
+{
+	req->rate = ccu_mix_calc_best_rate(hw, req->rate,
+					   &req->best_parent_hw,
+					   &req->best_parent_rate,
+					   NULL);
+	return 0;
+}
+
+static int ccu_mix_set_rate(struct clk_hw *hw, unsigned long rate,
+			    unsigned long parent_rate)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+	struct ccu_common *common = &mix->common;
+	struct ccu_div_config *div = &mix->div;
+	u32 current_div, target_div, mask;
+
+	ccu_mix_calc_best_rate(hw, rate, NULL, NULL, &target_div);
+
+	current_div = ccu_read(common, ctrl) >> div->shift;
+	current_div &= (1 << div->width) - 1;
+
+	if (current_div == target_div)
+		return 0;
+
+	mask = GENMASK(div->width + div->shift - 1, div->shift);
+
+	ccu_update(common, ctrl, mask, target_div << div->shift);
+
+	return ccu_mix_trigger_fc(hw);
+}
+
+static u8 ccu_mux_get_parent(struct clk_hw *hw)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+	struct ccu_mux_config *mux = &mix->mux;
+	u8 parent;
+
+	parent = ccu_read(&mix->common, ctrl) >> mux->shift;
+	parent &= (1 << mux->width) - 1;
+
+	return parent;
+}
+
+static int ccu_mux_set_parent(struct clk_hw *hw, u8 index)
+{
+	struct ccu_mix *mix = hw_to_ccu_mix(hw);
+	struct ccu_mux_config *mux = &mix->mux;
+	u32 mask;
+
+	mask = GENMASK(mux->width + mux->shift - 1, mux->shift);
+
+	ccu_update(&mix->common, ctrl, mask, index << mux->shift);
+
+	return ccu_mix_trigger_fc(hw);
+}
+
+const struct clk_ops spacemit_ccu_gate_ops = {
+	.disable	= ccu_gate_disable,
+	.enable		= ccu_gate_enable,
+	.is_enabled	= ccu_gate_is_enabled,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_gate_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_factor_ops = {
+	.determine_rate = ccu_factor_determine_rate,
+	.recalc_rate	= ccu_factor_recalc_rate,
+	.set_rate	= ccu_factor_set_rate,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_factor_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_mux_ops = {
+	.determine_rate = ccu_mix_determine_rate,
+	.get_parent	= ccu_mux_get_parent,
+	.set_parent	= ccu_mux_set_parent,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_mux_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_div_ops = {
+	.determine_rate = ccu_mix_determine_rate,
+	.recalc_rate	= ccu_div_recalc_rate,
+	.set_rate	= ccu_mix_set_rate,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_div_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_factor_gate_ops = {
+	.disable	= ccu_gate_disable,
+	.enable		= ccu_gate_enable,
+	.is_enabled	= ccu_gate_is_enabled,
+
+	.determine_rate = ccu_factor_determine_rate,
+	.recalc_rate	= ccu_factor_recalc_rate,
+	.set_rate	= ccu_factor_set_rate,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_factor_gate_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_mux_gate_ops = {
+	.disable	= ccu_gate_disable,
+	.enable		= ccu_gate_enable,
+	.is_enabled	= ccu_gate_is_enabled,
+
+	.determine_rate = ccu_mix_determine_rate,
+	.get_parent	= ccu_mux_get_parent,
+	.set_parent	= ccu_mux_set_parent,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_mux_gate_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_div_gate_ops = {
+	.disable	= ccu_gate_disable,
+	.enable		= ccu_gate_enable,
+	.is_enabled	= ccu_gate_is_enabled,
+
+	.determine_rate = ccu_mix_determine_rate,
+	.recalc_rate	= ccu_div_recalc_rate,
+	.set_rate	= ccu_mix_set_rate,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_div_gate_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_mux_div_gate_ops = {
+	.disable	= ccu_gate_disable,
+	.enable		= ccu_gate_enable,
+	.is_enabled	= ccu_gate_is_enabled,
+
+	.get_parent	= ccu_mux_get_parent,
+	.set_parent	= ccu_mux_set_parent,
+
+	.determine_rate = ccu_mix_determine_rate,
+	.recalc_rate	= ccu_div_recalc_rate,
+	.set_rate	= ccu_mix_set_rate,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_mux_div_gate_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_mux_div_ops = {
+	.get_parent	= ccu_mux_get_parent,
+	.set_parent	= ccu_mux_set_parent,
+
+	.determine_rate = ccu_mix_determine_rate,
+	.recalc_rate	= ccu_div_recalc_rate,
+	.set_rate	= ccu_mix_set_rate,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_mux_div_ops, "CLK_SPACEMIT");

linux-7.2.3/drivers/clk/spacemit/ccu_mix.h

@@ -0,0 +1,235 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2024 SpacemiT Technology Co. Ltd
+ * Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
+ */
+
+#ifndef _CCU_MIX_H_
+#define _CCU_MIX_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+/**
+ * struct ccu_gate_config - Gate configuration
+ *
+ * @mask:	Mask to enable the gate. Some clocks may have more than one bit
+ *		set in this field.
+ * @inverted:	Enable bit is inverted, 1 - disable clock, 0 - enable clock
+ */
+struct ccu_gate_config {
+	u32 mask;
+	bool inverted;
+};
+
+struct ccu_factor_config {
+	u32 div;
+	u32 mul;
+};
+
+struct ccu_mux_config {
+	u8 shift;
+	u8 width;
+};
+
+struct ccu_div_config {
+	u8 shift;
+	u8 width;
+};
+
+struct ccu_mix {
+	struct ccu_factor_config factor;
+	struct ccu_gate_config gate;
+	struct ccu_div_config div;
+	struct ccu_mux_config mux;
+	struct ccu_common common;
+};
+
+#define CCU_GATE_INIT(_mask)		{ .mask = _mask }
+#define CCU_FACTOR_INIT(_div, _mul)	{ .div = _div, .mul = _mul }
+#define CCU_MUX_INIT(_shift, _width)	{ .shift = _shift, .width = _width }
+#define CCU_DIV_INIT(_shift, _width)	{ .shift = _shift, .width = _width }
+#define CCU_GATE_FLAGS_INIT(_mask, _inverted)	{ .mask = _mask, .inverted = _inverted }
+
+#define CCU_PARENT_HW(_parent)		{ .hw = &_parent.common.hw }
+#define CCU_PARENT_NAME(_name)		{ .fw_name = #_name }
+
+#define CCU_MIX_INITHW(_name, _parent, _ops, _flags)			\
+	.hw.init = &(struct clk_init_data) {				\
+		.flags		= _flags,				\
+		.name		= #_name,				\
+		.parent_data	= (const struct clk_parent_data[])	\
+					{ _parent },			\
+		.num_parents	= 1,					\
+		.ops		= &_ops,				\
+	}
+
+#define CCU_MIX_INITHW_PARENTS(_name, _parents, _ops, _flags)		\
+	.hw.init = CLK_HW_INIT_PARENTS_DATA(#_name, _parents, &_ops, _flags)
+
+#define CCU_GATE_DEFINE(_name, _parent, _reg_ctrl, _mask_gate, _flags)		\
+static struct ccu_mix _name = {							\
+	.gate	= CCU_GATE_INIT(_mask_gate),					\
+	.common	= {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		CCU_MIX_INITHW(_name, _parent, spacemit_ccu_gate_ops, _flags),	\
+	}									\
+}
+
+#define CCU_FACTOR_DEFINE(_name, _parent, _div, _mul)				\
+static struct ccu_mix _name = {							\
+	.factor	= CCU_FACTOR_INIT(_div, _mul),					\
+	.common = {								\
+		CCU_MIX_INITHW(_name, _parent, spacemit_ccu_factor_ops, 0),	\
+	}									\
+}
+
+#define CCU_MUX_DEFINE(_name, _parents, _reg_ctrl, _shift, _width, _flags)	\
+static struct ccu_mix _name = {							\
+	.mux	= CCU_MUX_INIT(_shift, _width),					\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		CCU_MIX_INITHW_PARENTS(_name, _parents, spacemit_ccu_mux_ops,	\
+				       _flags),					\
+	}									\
+}
+
+#define CCU_DIV_DEFINE(_name, _parent, _reg_ctrl, _shift, _width, _flags)	\
+static struct ccu_mix _name = {							\
+	.div	= CCU_DIV_INIT(_shift, _width),					\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		CCU_MIX_INITHW(_name, _parent, spacemit_ccu_div_ops, _flags)	\
+	}									\
+}
+
+#define CCU_GATE_FLAGS_DEFINE(_name, _parent, _reg_ctrl, _mask_gate, _inverted, _flags)		\
+static struct ccu_mix _name = {							\
+	.gate	= CCU_GATE_FLAGS_INIT(_mask_gate, _inverted),			\
+	.common	= {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		CCU_MIX_INITHW(_name, _parent, spacemit_ccu_gate_ops, _flags),	\
+	}									\
+}
+
+#define CCU_FACTOR_GATE_FLAGS_DEFINE(_name, _parent, _reg_ctrl, _mask_gate, _div,	\
+			       _mul, _flags)					\
+static struct ccu_mix _name = {							\
+	.gate	= CCU_GATE_INIT(_mask_gate),					\
+	.factor	= CCU_FACTOR_INIT(_div, _mul),					\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		CCU_MIX_INITHW(_name, _parent, spacemit_ccu_factor_gate_ops, _flags)	\
+	}									\
+}
+
+#define CCU_FACTOR_GATE_DEFINE(_name, _parent, _reg_ctrl, _mask_gate, _div,	\
+			       _mul)						\
+	CCU_FACTOR_GATE_FLAGS_DEFINE(_name, _parent, _reg_ctrl, _mask_gate, _div,	\
+			       _mul, 0)
+
+#define CCU_MUX_GATE_DEFINE(_name, _parents, _reg_ctrl, _shift, _width,		\
+			    _mask_gate, _flags)					\
+static struct ccu_mix _name = {							\
+	.gate	= CCU_GATE_INIT(_mask_gate),					\
+	.mux	= CCU_MUX_INIT(_shift, _width),					\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		CCU_MIX_INITHW_PARENTS(_name, _parents,				\
+				       spacemit_ccu_mux_gate_ops, _flags),	\
+	}									\
+}
+
+#define CCU_DIV_GATE_DEFINE(_name, _parent, _reg_ctrl, _shift, _width,		\
+			    _mask_gate,	_flags)					\
+static struct ccu_mix _name = {							\
+	.gate	= CCU_GATE_INIT(_mask_gate),					\
+	.div	= CCU_DIV_INIT(_shift, _width),					\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		CCU_MIX_INITHW(_name, _parent, spacemit_ccu_div_gate_ops,	\
+			       _flags),						\
+	}									\
+}
+
+#define CCU_MUX_DIV_GATE_DEFINE(_name, _parents, _reg_ctrl, _mshift, _mwidth,	\
+				 _muxshift, _muxwidth, _mask_gate, _flags)	\
+static struct ccu_mix _name = {							\
+	.gate	= CCU_GATE_INIT(_mask_gate),					\
+	.div	= CCU_DIV_INIT(_mshift, _mwidth),				\
+	.mux	= CCU_MUX_INIT(_muxshift, _muxwidth),				\
+	.common	= {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		CCU_MIX_INITHW_PARENTS(_name, _parents,				\
+				       spacemit_ccu_mux_div_gate_ops, _flags),	\
+	},									\
+}
+
+#define CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(_name, _parents, _reg_ctrl, _reg_fc,	\
+					 _mshift, _mwidth, _mask_fc, _muxshift,	\
+					 _muxwidth, _mask_gate, _flags)		\
+static struct ccu_mix _name = {							\
+	.gate	= CCU_GATE_INIT(_mask_gate),					\
+	.div	= CCU_DIV_INIT(_mshift, _mwidth),				\
+	.mux	= CCU_MUX_INIT(_muxshift, _muxwidth),				\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		.reg_fc		= _reg_fc,					\
+		.mask_fc	= _mask_fc,					\
+		CCU_MIX_INITHW_PARENTS(_name, _parents,				\
+				       spacemit_ccu_mux_div_gate_ops, _flags),	\
+	},									\
+}
+
+#define CCU_MUX_DIV_GATE_FC_DEFINE(_name, _parents, _reg_ctrl, _mshift, _mwidth,\
+				   _mask_fc, _muxshift, _muxwidth, _mask_gate,	\
+				   _flags)					\
+CCU_MUX_DIV_GATE_SPLIT_FC_DEFINE(_name, _parents, _reg_ctrl, _reg_ctrl, _mshift,\
+				 _mwidth, _mask_fc, _muxshift, _muxwidth,	\
+				 _mask_gate, _flags)
+
+#define CCU_MUX_DIV_FC_DEFINE(_name, _parents, _reg_ctrl, _mshift, _mwidth,	\
+			      _mask_fc, _muxshift, _muxwidth, _flags)		\
+static struct ccu_mix _name = {							\
+	.div	= CCU_DIV_INIT(_mshift, _mwidth),				\
+	.mux	= CCU_MUX_INIT(_muxshift, _muxwidth),				\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		.reg_fc		= _reg_ctrl,					\
+		.mask_fc	= _mask_fc,					\
+		CCU_MIX_INITHW_PARENTS(_name, _parents,				\
+				       spacemit_ccu_mux_div_ops, _flags),	\
+	},									\
+}
+
+#define CCU_MUX_FC_DEFINE(_name, _parents, _reg_ctrl, _mask_fc,	_muxshift,	\
+			  _muxwidth, _flags)					\
+static struct ccu_mix _name = {							\
+	.mux	= CCU_MUX_INIT(_muxshift, _muxwidth),				\
+	.common = {								\
+		.reg_ctrl	= _reg_ctrl,					\
+		.reg_fc		= _reg_ctrl,					\
+		.mask_fc	= _mask_fc,					\
+		CCU_MIX_INITHW_PARENTS(_name, _parents, spacemit_ccu_mux_ops,	\
+				       _flags)					\
+	},									\
+}
+
+static inline struct ccu_mix *hw_to_ccu_mix(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+
+	return container_of(common, struct ccu_mix, common);
+}
+
+extern const struct clk_ops spacemit_ccu_gate_ops;
+extern const struct clk_ops spacemit_ccu_factor_ops;
+extern const struct clk_ops spacemit_ccu_mux_ops;
+extern const struct clk_ops spacemit_ccu_div_ops;
+extern const struct clk_ops spacemit_ccu_factor_gate_ops;
+extern const struct clk_ops spacemit_ccu_div_gate_ops;
+extern const struct clk_ops spacemit_ccu_mux_gate_ops;
+extern const struct clk_ops spacemit_ccu_mux_div_ops;
+extern const struct clk_ops spacemit_ccu_mux_div_gate_ops;
+#endif /* _CCU_MIX_H_ */

linux-7.2.3/drivers/clk/spacemit/ccu_pll.c

@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2024 SpacemiT Technology Co. Ltd
+ * Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/math.h>
+#include <linux/regmap.h>
+
+#include "ccu_common.h"
+#include "ccu_pll.h"
+
+#define PLL_TIMEOUT_US		3000
+#define PLL_DELAY_US		5
+
+#define PLL_SWCR3_EN		((u32)BIT(31))
+#define PLL_SWCR3_MASK		GENMASK(30, 0)
+
+#define PLLA_SWCR2_EN		((u32)BIT(16))
+#define PLLA_SWCR2_MASK		GENMASK(15, 8)
+
+static const struct ccu_pll_rate_tbl *ccu_pll_lookup_best_rate(struct ccu_pll *pll,
+							       unsigned long rate)
+{
+	struct ccu_pll_config *config = &pll->config;
+	const struct ccu_pll_rate_tbl *best_entry;
+	unsigned long best_delta = ULONG_MAX;
+	int i;
+
+	for (i = 0; i < config->tbl_num; i++) {
+		const struct ccu_pll_rate_tbl *entry = &config->rate_tbl[i];
+		unsigned long delta = abs_diff(entry->rate, rate);
+
+		if (delta < best_delta) {
+			best_delta = delta;
+			best_entry = entry;
+		}
+	}
+
+	return best_entry;
+}
+
+static const struct ccu_pll_rate_tbl *ccu_pll_lookup_matched_entry(struct ccu_pll *pll)
+{
+	struct ccu_pll_config *config = &pll->config;
+	u32 swcr1, swcr3;
+	int i;
+
+	swcr1 = ccu_read(&pll->common, swcr1);
+	swcr3 = ccu_read(&pll->common, swcr3);
+	swcr3 &= PLL_SWCR3_MASK;
+
+	for (i = 0; i < config->tbl_num; i++) {
+		const struct ccu_pll_rate_tbl *entry = &config->rate_tbl[i];
+
+		if (swcr1 == entry->swcr1 && swcr3 == entry->swcr3)
+			return entry;
+	}
+
+	return NULL;
+}
+
+static void ccu_pll_update_param(struct ccu_pll *pll, const struct ccu_pll_rate_tbl *entry)
+{
+	struct ccu_common *common = &pll->common;
+
+	regmap_write(common->regmap, common->reg_swcr1, entry->swcr1);
+	ccu_update(common, swcr3, PLL_SWCR3_MASK, entry->swcr3);
+}
+
+static int ccu_pll_is_enabled(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+
+	return ccu_read(common, swcr3) & PLL_SWCR3_EN;
+}
+
+static int ccu_pll_enable(struct clk_hw *hw)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+	struct ccu_common *common = &pll->common;
+	unsigned int tmp;
+
+	ccu_update(common, swcr3, PLL_SWCR3_EN, PLL_SWCR3_EN);
+
+	/* check lock status */
+	return regmap_read_poll_timeout_atomic(common->lock_regmap,
+					       pll->config.reg_lock,
+					       tmp,
+					       tmp & pll->config.mask_lock,
+					       PLL_DELAY_US, PLL_TIMEOUT_US);
+}
+
+static void ccu_pll_disable(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+
+	ccu_update(common, swcr3, PLL_SWCR3_EN, 0);
+}
+
+/*
+ * PLLs must be gated before changing rate, which is ensured by
+ * flag CLK_SET_RATE_GATE.
+ */
+static int ccu_pll_set_rate(struct clk_hw *hw, unsigned long rate,
+			    unsigned long parent_rate)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+	const struct ccu_pll_rate_tbl *entry;
+
+	entry = ccu_pll_lookup_best_rate(pll, rate);
+	ccu_pll_update_param(pll, entry);
+
+	return 0;
+}
+
+static unsigned long ccu_pll_recalc_rate(struct clk_hw *hw,
+					 unsigned long parent_rate)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+	const struct ccu_pll_rate_tbl *entry;
+
+	entry = ccu_pll_lookup_matched_entry(pll);
+
+	WARN_ON_ONCE(!entry);
+
+	return entry ? entry->rate : 0;
+}
+
+static int ccu_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+
+	req->rate = ccu_pll_lookup_best_rate(pll, req->rate)->rate;
+
+	return 0;
+}
+
+static int ccu_pll_init(struct clk_hw *hw)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+
+	if (ccu_pll_lookup_matched_entry(pll))
+		return 0;
+
+	ccu_pll_disable(hw);
+	ccu_pll_update_param(pll, &pll->config.rate_tbl[0]);
+
+	return 0;
+}
+
+static const struct ccu_pll_rate_tbl *ccu_plla_lookup_matched_entry(struct ccu_pll *pll)
+{
+	struct ccu_pll_config *config = &pll->config;
+	const struct ccu_pll_rate_tbl *entry;
+	u32 i, swcr1, swcr2, swcr3;
+
+	swcr1 = ccu_read(&pll->common, swcr1);
+	swcr2 = ccu_read(&pll->common, swcr2);
+	swcr2 &= PLLA_SWCR2_MASK;
+	swcr3 = ccu_read(&pll->common, swcr3);
+
+	for (i = 0; i < config->tbl_num; i++) {
+		entry = &config->rate_tbl[i];
+
+		if (swcr1 == entry->swcr1 &&
+		    swcr2 == entry->swcr2 &&
+		    swcr3 == entry->swcr3)
+			return entry;
+	}
+
+	return NULL;
+}
+
+static void ccu_plla_update_param(struct ccu_pll *pll, const struct ccu_pll_rate_tbl *entry)
+{
+	struct ccu_common *common = &pll->common;
+
+	regmap_write(common->regmap, common->reg_swcr1, entry->swcr1);
+	regmap_write(common->regmap, common->reg_swcr3, entry->swcr3);
+	ccu_update(common, swcr2, PLLA_SWCR2_MASK, entry->swcr2);
+}
+
+static int ccu_plla_is_enabled(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+
+	return ccu_read(common, swcr2) & PLLA_SWCR2_EN;
+}
+
+static int ccu_plla_enable(struct clk_hw *hw)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+	struct ccu_common *common = &pll->common;
+	unsigned int tmp;
+
+	ccu_update(common, swcr2, PLLA_SWCR2_EN, PLLA_SWCR2_EN);
+
+	/* check lock status */
+	return regmap_read_poll_timeout_atomic(common->lock_regmap,
+					       pll->config.reg_lock,
+					       tmp,
+					       tmp & pll->config.mask_lock,
+					       PLL_DELAY_US, PLL_TIMEOUT_US);
+}
+
+static void ccu_plla_disable(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+
+	ccu_update(common, swcr2, PLLA_SWCR2_EN, 0);
+}
+
+/*
+ * PLLAs must be gated before changing rate, which is ensured by
+ * flag CLK_SET_RATE_GATE.
+ */
+static int ccu_plla_set_rate(struct clk_hw *hw, unsigned long rate,
+			     unsigned long parent_rate)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+	const struct ccu_pll_rate_tbl *entry;
+
+	entry = ccu_pll_lookup_best_rate(pll, rate);
+	ccu_plla_update_param(pll, entry);
+
+	return 0;
+}
+
+static unsigned long ccu_plla_recalc_rate(struct clk_hw *hw,
+					  unsigned long parent_rate)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+	const struct ccu_pll_rate_tbl *entry;
+
+	entry = ccu_plla_lookup_matched_entry(pll);
+
+	WARN_ON_ONCE(!entry);
+
+	return entry ? entry->rate : 0;
+}
+
+static int ccu_plla_init(struct clk_hw *hw)
+{
+	struct ccu_pll *pll = hw_to_ccu_pll(hw);
+
+	if (ccu_plla_lookup_matched_entry(pll))
+		return 0;
+
+	ccu_plla_disable(hw);
+	ccu_plla_update_param(pll, &pll->config.rate_tbl[0]);
+
+	return 0;
+}
+
+const struct clk_ops spacemit_ccu_pll_ops = {
+	.init		= ccu_pll_init,
+	.enable		= ccu_pll_enable,
+	.disable	= ccu_pll_disable,
+	.set_rate	= ccu_pll_set_rate,
+	.recalc_rate	= ccu_pll_recalc_rate,
+	.determine_rate = ccu_pll_determine_rate,
+	.is_enabled	= ccu_pll_is_enabled,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_pll_ops, "CLK_SPACEMIT");
+
+const struct clk_ops spacemit_ccu_plla_ops = {
+	.init		= ccu_plla_init,
+	.enable		= ccu_plla_enable,
+	.disable	= ccu_plla_disable,
+	.set_rate	= ccu_plla_set_rate,
+	.recalc_rate	= ccu_plla_recalc_rate,
+	.determine_rate	= ccu_pll_determine_rate,
+	.is_enabled	= ccu_plla_is_enabled,
+};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_plla_ops, "CLK_SPACEMIT");

linux-7.2.3/drivers/clk/spacemit/ccu_pll.h

@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2024 SpacemiT Technology Co. Ltd
+ * Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
+ */
+
+#ifndef _CCU_PLL_H_
+#define _CCU_PLL_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+
+/**
+ * struct ccu_pll_rate_tbl - Structure mapping between PLL rate and register
+ * configuration.
+ *
+ * @rate:	PLL rate
+ * @swcr1:	Value of register PLLx_SW1_CTRL.
+ * @swcr2:	Value of register PLLAx_SW2_CTRL.
+ * @swcr3:	value of register PLLx_SW3_CTRL.
+ *
+ * See below tables for the register used in PPL/PPLA clocks
+ *
+ * Regular PLL type
+ *  | Enable | swcr3 | PLLx_SW3_CTRL - BIT[31]    |
+ *  -----------------------------------------------
+ *  | Config | swcr1 | PLLx_SW1_CTRL - BIT[31:0]  |
+ *  |        | swcr2 | Not used                   |
+ *  |        | swcr3 | PLLx_SW3_CTRL - BIT[30:0]  |
+ *
+ * Special PLL type A
+ *  | Enable | swcr2 | PLLAx_SW2_CTRL - BIT[16]   |
+ *  -----------------------------------------------
+ *  | Config | swcr1 | PLLAx_SW1_CTRL - BIT[31:0] |
+ *  |        | swcr2 | PLLAx_SW2_CTRL - BIT[15:8] |
+ *  |        | swcr3 | PLLAx_SW3_CTRL - BIT[31:0] |
+ *
+ */
+struct ccu_pll_rate_tbl {
+	unsigned long rate;
+	u32 swcr1;
+	u32 swcr2;
+	u32 swcr3;
+};
+
+struct ccu_pll_config {
+	const struct ccu_pll_rate_tbl *rate_tbl;
+	u32 tbl_num;
+	u32 reg_lock;
+	u32 mask_lock;
+};
+
+#define CCU_PLL_RATE(_rate, _swcr1, _swcr3) \
+	{									\
+		.rate	= _rate,						\
+		.swcr1	= _swcr1,						\
+		.swcr3	= _swcr3,						\
+	}
+
+#define CCU_PLLA_RATE(_rate, _swcr1, _swcr2, _swcr3) \
+	{									\
+		.rate	= _rate,						\
+		.swcr1	= _swcr1,						\
+		.swcr2	= _swcr2,						\
+		.swcr3	= _swcr3,						\
+	}
+
+struct ccu_pll {
+	struct ccu_common	common;
+	struct ccu_pll_config	config;
+};
+
+#define CCU_PLL_CONFIG(_table, _reg_lock, _mask_lock) \
+	{									\
+		.rate_tbl	= _table,					\
+		.tbl_num	= ARRAY_SIZE(_table),				\
+		.reg_lock	= (_reg_lock),					\
+		.mask_lock	= (_mask_lock),					\
+	}
+
+#define CCU_PLL_COMMON_HWINIT(_name, _ops, _flags)				\
+	(&(struct clk_init_data) {						\
+		.name		= #_name,					\
+		.ops		= _ops,						\
+		.parent_data	= &(struct clk_parent_data) { .index = 0 },	\
+		.num_parents	= 1,						\
+		.flags		= _flags,					\
+	})
+
+#define CCU_PLL_X_DEFINE(_name, _table, _reg_swcr1, _reg_swcr2, _reg_swcr3,	\
+		       _reg_lock, _mask_lock, _ops, _flags)			\
+static struct ccu_pll _name = {							\
+	.config	= CCU_PLL_CONFIG(_table, _reg_lock, _mask_lock),		\
+	.common = {								\
+		.reg_swcr1	= _reg_swcr1,					\
+		.reg_swcr2	= _reg_swcr2,					\
+		.reg_swcr3	= _reg_swcr3,					\
+		.hw.init	= CCU_PLL_COMMON_HWINIT(_name, _ops, _flags)	\
+	}									\
+}
+
+#define CCU_PLL_DEFINE(_name, _table, _reg_swcr1, _reg_swcr3, _reg_lock,	\
+		       _mask_lock, _flags)					\
+	CCU_PLL_X_DEFINE(_name, _table, _reg_swcr1, 0, _reg_swcr3,		\
+		       _reg_lock, _mask_lock, &spacemit_ccu_pll_ops, _flags)
+
+#define CCU_PLLA_DEFINE(_name, _table, _reg_swcr1, _reg_swcr2, _reg_swcr3,	\
+		       _reg_lock, _mask_lock, _flags)				\
+	CCU_PLL_X_DEFINE(_name, _table, _reg_swcr1, _reg_swcr2, _reg_swcr3,	\
+		       _reg_lock, _mask_lock, &spacemit_ccu_plla_ops, _flags)
+
+static inline struct ccu_pll *hw_to_ccu_pll(struct clk_hw *hw)
+{
+	struct ccu_common *common = hw_to_ccu_common(hw);
+
+	return container_of(common, struct ccu_pll, common);
+}
+
+extern const struct clk_ops spacemit_ccu_pll_ops;
+extern const struct clk_ops spacemit_ccu_plla_ops;
+
+#endif